Backpack



FIG. 1 is a front perspective view of the backpack;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right elevation view thereof;

FIG. 5 is a left elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front perspective view of the backpack according to an alternative embodiment;

FIG. 9 is a front elevation view of the embodiment of FIG. 8;

FIG. 10 is a rear elevation view of the embodiment of FIG. 8;

FIG. 11 is a right elevation view of the embodiment of FIG. 8;

FIG. 12 is a left elevation view of the embodiment of FIG. 8;

FIG. 13 is a top plan view of the embodiment of FIG. 8; and,

FIG. 14 is a bottom plan view of the embodiment of FIG. 8.

The broken lines illustrate environment and are included for the purpose of illustrating unclaimed features of the design. 

CLAIM The ornamental design for a backpack, as shown and described. 